Journal
THIN SOLID FILMS
Volume 511, Issue -, Pages 203-207Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2005.12.127
Keywords
titanium dioxide; carbon nanocapsules; nanoparticle immobilization; photovoltaic
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In this work, TiO2 nanoparticles were immobilized on the carbon nanocapsules (CNC) treated by H2SO4/KMnO4 using a sol-gel process. The TEM images of the TiO2-coated CNC suggested that introducing crystallographic defects by acid functional groups tended to facilitate TiO2 immobilization onto the nanocapsules. The TiO2-coated CNC exhibited effective quenching on the emission of a light-emitting conjugated polymer, poly(2-phenyl-3-phenyt-4-(3',7'-dimethyloctyloxy)-1,4-phenylene vinylene) (DPO-PPV). Consequently, the composites of the TiO2-coated CNC and conjugated semiconducting polymers have potentials for photovoltaic applications. (c) 2005 Elsevier B.V. All rights reserved.
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